Electrical impulse apparatus



FIG. 1 is a perspective view of an electrical impulse apparatus showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear plan view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an electrical impulse apparatus, substantially as shown. 